Home / 9,110.20-13,645.86-5,636.92

Finding the Fourth Proportional to 9,110.20, 13,645.86 and 5,636.92

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Solution

The fourth proportional to 9,110.20, 13,645.86 and 5,636.92 is: 8,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.20 : 13,645.86 = 5,636.92 : x
  2. Step 2: Convert to fraction form
    9,110.20/13,645.86 = 5,636.92/x
  3. Step 3: Cross multiply
    9,110.20x = 13,645.86 × 5,636.92
  4. Step 4: Simplify right side
    9,110.20x = 76,920,621.15
  5. Step 5: Solve for x
    x = 76,920,621.15/9,110.20
  6. Step 6: Final answer
    x = 8,443.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.